Rockwell Automation 1769-ADN DeviceNet Modules Installation Instructions - Manuel (Page 22)

22 Rockwell Automation Publication DNET-IN001B-EN-P - January 2012
Chapter 1 Install a 1756 DeviceNet Communication Module
The RSLinx Workstation organizer appears.
Your 1756-EN2T module appears under two different drivers, a virtual
chassis and the USB port.
Load Firmware through a USB Port
IMPORTANT Do not simultaneously load firmware for more than one module at a
time through a USB port. If you do, one or more of the firmware loads
may fail in the middle of the upgrade.
Virtual Chassis Driver
USB Port Driver